The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
1
In one day, a full grown redwood tree expels more than 2 tons of water through its leaves.
56
Check your map! The Pacific entrance of the Panama Canal is farther East than the Atlantic entrance.
40
The Amazon rainforest produces more than 20% the world's oxygen supply.
182
There are more than 50,000 earthquakes throughout the world every year!
47
Venice Island was built on a foundation of tree trunks. 1200 years later, those same trunks still support almost all of central Venice.
8
The city of Houston, Texas is built on a swamp and is slowly sinking!
89
An earthquake on Dec. 16, 1811 caused parts of the Mississippi River to flow backwards.
243